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Faults and Alarms
List of faults and alarms
Remedy:
- check the interconnection of the binector input for "control by PLC" (p0854).
- check the "control by PLC" signal and, if required, switch-in.
- check the data transfer via the fieldbus (master - drive).
Note:
If the drive should continue to operate after withdrawing "control by PLC" then fault response must be parameterized
to NONE.
Reaction upon N:
NONE
Acknowledge
NONE
upon N:
Reaction upon A:
NONE
Acknowledge
NONE
upon A:
F07300 (A)
Drive: Line contactor feedback signal missing
Reaction:
OFF2 (NONE)
Acknowledge:
IMMEDIATELY
Cause:
- the line contactor was not able to be closed within the time in p0861.
- the line contactor was not able to be opened within the time in p0861.
- the line contactor has dropped-out in operation.
- the line contactor has closed although the drive converter is powered-down.
Remedy:
- check the setting of p0860.
- check the feedback circuit from the line contactor.
- increase the monitoring time in p0861.
See also: p0860, p0861
Reaction upon A:
NONE
Acknowledge
NONE
upon A:
F07320
Drive: Automatic restart aborted
Reaction:
OFF2
Acknowledge:
IMMEDIATELY
Cause:
- The specified number of restart attempts (p1211) has been completely used up because within the monitoring time
p1213 the alarms were not able to be acknowledged. The number of restart attempts (p1211) is decremented at each
new start attempt.
- there is no active ON command.
- the monitoring time for the power module (p0857) has expired.
- when exiting commissioning or at the end of the motor identification routine or the speed controller optimization, the
drive unit is not automatically powered-up again.
Fault value (r0949, hexadecimal):
Only for internal Siemens troubleshooting.
Remedy:
- increase the number of restart attempts (p1211). The actual number of starting attempts is displayed in r1214.
- increase the delay time in p1212 and/or the monitoring time in p1213.
- issue an ON command (p0840).
- either increase or disable the monitoring time of the power module in p0857.
A07321
Drive: Automatic restart active
Reaction:
NONE
Acknowledge:
NONE
Cause:
The automatic restart is active. When the line supply returns and/or the fault causes are removed, the drive is auto-
matically restarted. The pulses are enabled and the motor starts to rotate.
Remedy:
- the automatic restart function can be disabled using p1210 = 0.
- the automatic restart operation can also be directly interrupted by withdrawing the power-on command (refer to
p0840).
F07330
FlyRestart: Measured search current too low
Reaction:
OFF2 (NONE, OFF1)
Acknowledge:
IMMEDIATELY
Cause:
During a flying restart, it was identified that the search current reached is too low.
It is possible that the motor is not connected.
3-560
Siemens AG 2004 All Rights Reserved
SINAMICS G List Manual, Edition 12.2004
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